How do I edit a GRUB from live CD?
This solution is the exact same as roadmr’s answer except much easier.
- Boot into AntiX Live CD.
- Menu>Applications>System Tools>Boot Repair.
- Select ‘Repair GRUB Configuration file’ (this option does run update-grub)
- Select the drive/partition where /boot resides.
- Reboot when its finished.
How do I repair restore reinstall GRUB 2 with Ubuntu live CD?
The graphical way
- Insert your Ubuntu CD, reboot your computer and set it to boot from CD in the BIOS and boot into a live session. You can also use a LiveUSB if you have created one in the past.
- Install and run Boot-Repair.
- Click “Recommended Repair”.
- Now reboot your system. The usual GRUB boot menu should appear.
How to install and re-install Grub using live CD?
First we need to find out the root partition, this can be done by using the blkid command, you will need to be root to run this or if you have sudo installed you can use that.
Is there a way to get into GRUB mode?
General Node: Getting into grub mode is general a very common issue when you do a dual boot. Most of the time the fix is to boot using Live USB and chroot into your installed system, then use os-prober and grub install Each of GRUB failed modes can be fixed by the grub terminal or live CD installer.
How to fix Grub failed to Boot Live USB?
Most of the time the fix is to boot using Live USB and chroot into your installed system, then use os-prober and grub install Each of GRUB failed modes can be fixed by the grub terminal or live CD installer. At the grub command prompt, enter ‘ls’ to see the disk drives and available partitions:
How to install boot-grub on an external drive?
If booted into Ubuntu you can directly install grub to MBR of external drive directly. Or you can use Boot-Repair’s advanced options and choose install and drive to install boot loader. reinstall from working (not liveCD/DVD/USB) system – first find Ubuntu drive (example is drive sdb but use your drive not partitions):